David Stefan
CTO at Letsagent
Prague, Czechia
Summary
👤
Senior🎓
Top SchoolDavid Stefan is a pragmatic technology leader and CTO based in Prague with 11 years of engineering and leadership experience building resilient web and geospatial systems. He has advanced from hands-on development to leading engineering teams at startups and scale-ups, most recently heading engineering at CarbonChain and now serving as CTO at Letsagent. His background spans full-stack web, GIS, data engineering and platform work—skills shaped by an EngD in Urban Sustainability and practical projects for the UK Department for Transport and maritime mapping hobby-venture Pocketsail. Colleagues know him for deep problem-solving rooted in a lifelong curiosity for how things work, combined with a willingness to roll up his sleeves when systems need fixing. He blends academic rigour with product-focused execution, frequently translating complex domain requirements into pragmatic software solutions. Comfortable across languages and stacks, he brings technical breadth plus operational leadership to fast-growing teams.
11 years of coding experience
16 years of employment as a software developer
Bachelor’s Degree, Information Technology, Bachelor’s Degree, Information Technology at Masaryk University BrnoUniversity College London
English, Czech, Spanish, German, Polish
Stackoverflow
3,125reputation
657kreached
9answers
31questions
Github Skills (179)
gcloud10
vagrant10
charts9
lambda9
virtualization9
testing9
google-cloud-platform9
ruby9
automation9
svg9
visualization9
canvas9
docker9
aws9
dragula9
Programming languages (10)
Github contributions (5)
stefda/drsync
Apr 2017 - May 2020
Node utility to watch and sync files into an rsync-enabled Docker container
Contributions:4 releases, 36 commits, 4 PRs in 3 years 1 month
rsyncsyncsync-filesdockernodejs
CityPantry/onfleet.js
Nov 2016 - Apr 2017
Contributions:6 releases, 22 commits, 12 pushes in 4 months
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